- T2DM was diagnosed according to the World Health Organization Expert Consultation Report 1999 and consisted of one of the following: fasting blood glucose (FBG) ≥7.0 mmol/L (≥126 mg/dL), blood glucose ≥11.1 mmol/L (≥200 mg/dL) 2 hours after an oral glucose tolerance test (OGTT); or a random blood glucose ≥11.1 mmol/L (≥200 mg/dL).